Mucus – the first line of defence
Published 6 November 2015 Left: White blood cells with bacteria. The blue colour shows the DNA in the nucleus of the white blood cells, and the red colour represents proteins in the cytoplasma. The small green dots are bacteria. Right: Here, the red and blue colours are combined By licking a wound it heals faster – this is not simply popular belief, but scientifically proven. Our saliva consists o
https://www.lunduniversity.lu.se/article/mucus-first-line-defence - 2025-05-11